<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>zoom</title>
<style type="text/css">
div { border: 1px solid #000; }
.test  { zoom: normal; }
.test2 { zoom: 5;      }
.test3 { zoom: 300%;   }
</style>
</head>
<body>
<h1>zoom: normal;</h1>
<div class="test">zoom:normal</div>

<h1>zoom: 5;</h1>
<div class="test2">zoom:5</div>

<h1>zoom: 300%;</h1>
<div class="test3">zoom:300%</div>
</body>
</html>
